🕵️ ATI Inc ($ATI)
SEC insider & ownership activity, last 12 months · CIK 1018963 · every row links its SEC filing
Over the last 12 months insiders sold $86.1M with no open-market buying against it. Kimberly A. Fields sold $45.5M through a program of 11 sale notices averaging $4.3M (Sep–Aug). 2 planned sales are pending, the largest $2.7M (Kimberly A. Fields). No red-flag 8-Ks in the window.
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Monthly net open-market insider flow, last 12 months (up = net buying)
Insider flow
0 buyers, $0 (0 lots) · 5 sellers, $86.1M (57 lots)
| Insider | Buys | Bought | Sells | Sold | Last |
|---|---|---|---|---|---|
| Kimberly A. Fields | 0 | – | 35 | $45.5M | Aug 17, 2026 |
| Robert S. Wetherbee | 0 | – | 10 | $21.2M | Feb 17, 2026 |
| Timothy J. Harris | 0 | – | 8 | $17.6M | Sep 14, 2026 |
| David J. Morehouse | 0 | – | 3 | $1.5M | Sep 2, 2026 |
| Busch Tina Killough | 0 | – | 1 | $242K | Nov 21, 2025 |
5%+ holders
| Holder | Stake | Class | Schedule | Event | |
|---|---|---|---|---|---|
| BlackRock, Inc. | 10.1% | 13G | Oct 3, 2025 | filing ↗ | |
| Vanguard Capital Management | 5.2% | 13G | Apr 29, 2026 | filing ↗ |
Planned insider sales (Form 144)
| Seller | Planned | Approx. sale date | |
|---|---|---|---|
| Timothy J. Harris | $3.2M | Sep 14, 2026 | filing ↗ |
| Timothy J. Harris | $3.4M | Sep 8, 2026 | filing ↗ |
| David J. Morehouse | $501K | Sep 2, 2026 | filing ↗ |
| Timothy J. Harris | $3.5M | Aug 31, 2026 | filing ↗ |
| Timothy J. Harris | $3.4M | Aug 24, 2026 | filing ↗ |
| Kimberly A. Fields | $8.0M | Aug 17, 2026 | filing ↗ |
| Robert S. Wetherbee | $10.0M | Aug 10, 2026 | filing ↗ |
| Kimberly A. Fields | $6.1M | Jul 28, 2026 | filing ↗ |
| Kimberly A. Fields | $7.5M | Jul 7, 2026 | filing ↗ |
| Kimberly A. Fields | $746K | Jun 24, 2026 | filing ↗ |
| Kimberly A. Fields | $719K | Jun 23, 2026 | filing ↗ |
| Kimberly A. Fields | $2.7M | Jun 22, 2026 | filing ↗ |
| Kimberly A. Fields | $10.6M | Jun 2, 2026 | filing ↗ |
| J. Brett Harvey | $7.2M | Jun 2, 2026 | filing ↗ |
| Kimberly A. Fields | $6.2M | May 11, 2026 | filing ↗ |
| David J. Morehouse | $1.0M | Mar 9, 2026 | filing ↗ |
| Robert S. Wetherbee | $8.6M | Feb 17, 2026 | filing ↗ |
| Robert S. Wetherbee | $8.2M | Feb 10, 2026 | filing ↗ |
| Robert S. Wetherbee | $6.6M | Dec 18, 2025 | filing ↗ |
| Robert S. Wetherbee | $6.0M | Dec 2, 2025 | filing ↗ |
| Timothy J. Harris | $1.0M | Nov 25, 2025 | filing ↗ |
| Busch Tina Killough | $242K | Nov 21, 2025 | filing ↗ |
| Robert S. Wetherbee | $5.9M | Nov 18, 2025 | filing ↗ |
| Timothy J. Harris | $1.0M | Nov 18, 2025 | filing ↗ |
| Timothy J. Harris | $1.0M | Nov 11, 2025 | filing ↗ |
| Timothy J. Harris | $1.0M | Nov 4, 2025 | filing ↗ |
| Kimberly A. Fields | $1.8M | Oct 15, 2025 | filing ↗ |
| Kimberly A. Fields | $1.7M | Oct 6, 2025 | filing ↗ |
| Kimberly A. Fields | $1.6M | Sep 22, 2025 | filing ↗ |
Material events (8-K)
| Item | Event date | |
|---|---|---|
| Earnings (2.02) | Aug 6, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Aug 6, 2026 | filing ↗ |
| Material agreement (1.01) | Jun 8, 2026 | filing ↗ |
| New financial obligation (2.03) | Jun 8, 2026 | filing ↗ |
| Other events (8.01) | Jun 8, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jun 8, 2026 | filing ↗ |
| Other events (8.01) | Jun 3, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jun 3, 2026 | filing ↗ |
| Other events (8.01) | Jun 3, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jun 3, 2026 | filing ↗ |
| Shareholder vote (5.07) | May 14, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 14, 2026 | filing ↗ |
| Earnings (2.02) | Apr 30, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Apr 30, 2026 | filing ↗ |
| Other events (8.01) | Feb 18, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Feb 18, 2026 | filing ↗ |
| Earnings (2.02) | Feb 3, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Feb 3, 2026 | filing ↗ |
| Officer/director changes (5.02) | Dec 4, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Dec 4, 2025 | filing ↗ |
| Officer/director changes (5.02) | Nov 18, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Nov 18, 2025 | filing ↗ |
| Earnings (2.02) | Oct 28, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Oct 28, 2025 | filing ↗ |
| Material agreement (1.01) | Sep 19, 2025 | filing ↗ |
| New financial obligation (2.03) | Sep 19, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Sep 19, 2025 | filing ↗ |